Sony vFET pt2 N channel help

[Zen Mod]

in a meantime, read this, hoping it'll give you some insight in possible culprit

(check both zener diodes, too)

Thread 'Lottery DIY Sony VFET pt 2 (N-Channel) - assembly by Mighty ZM'

2022-05-06 12:48 pm

Coverage of assemblage of Lottery amp for my dear Friend, way of paying back for valuable help he gave in some of my endeavors

He's extraordinary busy in last several months, so ......

Amp No. 122, member tunasto here, Vinko at Baby DiyA

Let's start with schematics - I like when schematics are present

• Zen Mod
• Replies: 69
• Forum: Pass Labs

 

[Antealta]

Will do

 

[Antealta]

Hi

Z1 Zener diode is shorted

Andreas

 

[Antealta]

Is it possible to use 20V Zener or should I order 18V

And what could be the reason for this to happen in the first place, power spikes from supply

Andreas

 

[Zen Mod]

Gremlins?

you can use 20V zener, protection part, so perfectly in needed range

 

[Antealta]

Ok

Yeah probably gremlins 😀